首页
登录
职称英语
Technological invention has directly or indirectly produced social change in
Technological invention has directly or indirectly produced social change in
游客
2023-07-24
44
管理
问题
Technological invention has directly or indirectly produced social change in every period of history. The invention of the horse collar in the Middle Ages was a【B1】______technological advance for agriculture; the【B2】______for use at sea so【B3】______navigation in the fifteenth century that it led in the age of【B4】______; and the steam engine was an【B5】______factor in the industrialization of Europe in the nineteenth century.
A discovery is another kind of technological【B6】______. While inventions add something new to a culture, discoveries increase our knowledge of something that already exists. Gravity had always been there, but Newton "discovered" it: be【B7】______how this natural force worked and how its laws【B8】______to falling bodies. This knowledge made possible many new inventions.【B9】______.
Since each invention makes more inventions possible, the speed of technological development tends to accelerate. Benjamin Franklin experimented with electricity in the eighteenth century,【B10】______. In the hundred years since Edison invented the light bulb, the discovery of electricity has led to tens of thousands of inventions, from the internal burning engine to the computer.【B11】______pose some of tile greatest challenges of our time. [br] 【B7】
选项
答案
observed
解析
动词,与空格相关的句意为:重力总是存在的,但是牛顿发现了它,他______这个自然力如何起作用以及它的规律如何应用于下落物体。这两个宾语都是要靠观察才能进行,故此处为observe的过去式。
转载请注明原文地址:https://tihaiku.com/zcyy/2863929.html
相关试题推荐
Socialchangesmadeadifference:Peopleusedto____________(从父母或祖父母那里寻求意见),now
Manytreesandshrubschangecolorinfall.Threefactorsinfluencefall’sc
Manytreesandshrubschangecolorinfall.Threefactorsinfluencefall’sc
Manytreesandshrubschangecolorinfall.Threefactorsinfluencefall’sc
Manytreesandshrubschangecolorinfall.Threefactorsinfluencefall’sc
Manytreesandshrubschangecolorinfall.Threefactorsinfluencefall’sc
Thegreatestrecentsocialchangeshavebeeninthelivesofwomen.Duringt
Thegreatestrecentsocialchangeshavebeeninthelivesofwomen.Duringt
[originaltext]TherearemanyreasonswhyfamilylifeinBritainhaschanged
[originaltext]TherearemanyreasonswhyfamilylifeinBritainhaschanged
随机试题
Businessandgovernmentleadersalsoconsidertheinflationratetobeanim
Fewcreaturesonearthareascuteastheblackliontamarin,andfewhavea
(1)It’shardtomissthem:theepitomeofcasual"geekchic"andorganizedw
Inmostcircumstances,theassumptionof
就目前的技术水平而言,下列航测数字化生产环节中,自动化水平相对较低的是()A:摄
A.溴化汞试纸作显色剂 B.硝酸银试液作沉淀剂 C.硫代乙酰胺试液作显色剂
5-HT受体拮抗剂A.加兰他敏 B.茴拉西坦 C.金刚烷胺 D.美金刚
1998-44.下列各项中,不属于麻子仁丸组成药物的是 A.枳实B.厚朴C
家庭在涉及财富保障和规划过程中的风险不包括()。A.投资风险 B.市场风险
国外项目投资估算阶段划分中,具备设备规格表、主要设备生产能力和尺寸、项目的平面布
最新回复
(
0
)